Home / 140,501.33-193,894.66-76,843.22

Finding the Fourth Proportional to 140,501.33, 193,894.66 and 76,843.22

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Solution

The fourth proportional to 140,501.33, 193,894.66 and 76,843.22 is: 106,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,501.33 : 193,894.66 = 76,843.22 : x
  2. Step 2: Convert to fraction form
    140,501.33/193,894.66 = 76,843.22/x
  3. Step 3: Cross multiply
    140,501.33x = 193,894.66 × 76,843.22
  4. Step 4: Simplify right side
    140,501.33x = 14,899,488,853.62
  5. Step 5: Solve for x
    x = 14,899,488,853.62/140,501.33
  6. Step 6: Final answer
    x = 106,045.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.